TY  - RPRT
TI  - Testing equipment for large-capacity scales for the use of weights and measures officials/ 
AU  - Smith, Ralph W
PY  - 1930
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS MP 104
DO  - 10.6028/NBS.MP.104
ER  -